title: Achalasia and esophageal carcinoma: is surveillance justified?
authors.forename: C M
authors.initials: CM
authors.lastname: Farr
mesh_terms: D004931:Esophageal Achalasia / Q000150:complications*; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000209:etiology*; D004945:Esophagoscopy; D006801:Humans; D012307:Risk Factors